.page-news {
  --news-rail: 232px;
  --news-muted: rgba(215, 219, 226, .62);
  --news-body: #26272F;
  background: var(--snow);
  color: var(--ink-900);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  background: var(--ink-900);
  color: var(--snow);
  padding: clamp(16px, 2.4vw, 26px) 0 clamp(44px, 6vw, 84px);
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 0 auto;
  width: min(58%, 720px);
  background: linear-gradient(200deg, rgba(43, 107, 255, .18), rgba(229, 23, 58, .12) 62%, transparent 100%);
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--red) 0%, var(--blue) 58%, transparent 100%);
}

.page-news .news-hero__crumb {
  position: relative;
  z-index: 2;
  margin-bottom: clamp(24px, 4vw, 52px);
}

.page-news .news-hero__crumb .breadcrumb__link {
  color: var(--news-muted);
}

.page-news .news-hero__crumb .breadcrumb__link:hover,
.page-news .news-hero__crumb .breadcrumb__link:focus-visible {
  color: var(--snow);
}

.page-news .news-hero__crumb .breadcrumb__current {
  color: var(--snow);
}

.page-news .news-hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  align-items: end;
}

.page-news .news-hero__title {
  margin: 14px 0 0;
  font-size: clamp(29px, 5.6vw, 54px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.012em;
  color: var(--snow);
}

.page-news .news-hero__lead {
  margin: 18px 0 0;
  max-width: 38em;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.8;
  color: var(--frost);
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(26px, 3.6vw, 42px);
  background: var(--line-500);
  border: 1px solid var(--line-500);
}

.page-news .news-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  background: var(--ink-900);
}

.page-news .news-stat__v {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--snow);
}

.page-news .news-stat__k {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--news-muted);
}

.page-news .news-hero__media {
  margin: 0;
}

/* ---------- 分区节奏 ---------- */
.page-news .news-log {
  background: var(--snow);
}

.page-news .news-log__intro {
  max-width: 46em;
  margin-bottom: clamp(30px, 4.4vw, 56px);
}

.page-news .news-log__introtext {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.82;
  color: var(--news-body);
}

/* ---------- 筛选 + 条目流 ---------- */
.page-news .news-log__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.6vw, 48px);
  align-items: start;
}

.page-news .news-rail {
  position: relative;
}

.page-news .news-rail__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .2em;
  font-weight: 700;
  color: var(--gray-500);
}

.page-news .news-tablist {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-news .news-tab {
  position: relative;
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-width: 178px;
  padding: 13px 14px 13px 18px;
  border: 1px solid var(--gray-200);
  background: var(--snow);
  color: var(--ink-900);
  font-family: inherit;
  font-size: 15px;
  text-align: left;
  cursor: pointer;
  appearance: none;
  transition: background .32s var(--ease), border-color .32s var(--ease), transform .32s var(--ease);
}

.page-news .news-tab::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: transparent;
  transition: background .32s var(--ease);
}

.page-news .news-tab:hover {
  border-color: var(--ink-900);
}

.page-news .news-tab:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-news .news-tab[aria-selected="true"] {
  background: var(--frost);
  border-color: var(--red);
}

.page-news .news-tab[aria-selected="true"]::before {
  background: var(--red);
}

.page-news .news-tab__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--red);
}

.page-news .news-tab__label {
  font-weight: 700;
  font-size: 15px;
  white-space: nowrap;
}

.page-news .news-tab__count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gray-500);
}

.page-news .news-tab[aria-selected="true"] .news-tab__count {
  color: var(--ink-900);
}

/* ---------- 面板 ---------- */
.page-news .news-stream {
  min-width: 0;
}

.page-news .news-panel {
  outline: none;
}

.page-news .news-panel:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 6px;
}

.page-news .news-panel__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.8vw, 32px);
  padding-bottom: clamp(20px, 3vw, 30px);
  border-bottom: 2px solid var(--ink-900);
  margin-bottom: clamp(6px, 1.2vw, 12px);
}

.page-news .news-panel__title {
  margin: 0 0 12px;
  font-size: clamp(22px, 2.8vw, 30px);
  font-weight: 800;
  letter-spacing: -.012em;
  color: var(--ink-900);
}

.page-news .news-panel__intro {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--news-body);
}

.page-news .news-panel__media {
  margin: 0;
}

/* ---------- 条目 ---------- */
.page-news .log-list {
  border-top: 1px solid var(--gray-200);
}

.page-news .log-item {
  border-bottom: 1px solid var(--gray-200);
}

.page-news .log-item > summary {
  list-style: none;
}

.page-news .log-item > summary::-webkit-details-marker {
  display: none;
}

.page-news .log-item__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 22px;
  grid-template-areas:
    "stage toggle"
    "name name";
  align-items: baseline;
  gap: 8px 14px;
  padding: 18px 4px 18px 0;
  cursor: pointer;
  transition: transform .32s var(--ease);
}

.page-news .log-item__head:hover {
  transform: translateX(6px);
}

.page-news .log-item__head:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-news .log-item__stage {
  grid-area: stage;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  line-height: 1.5;
}

.page-news .log-item__stage::before {
  content: "";
  flex: 0 0 auto;
  width: 16px;
  height: 2px;
  background: var(--red);
}

.page-news .log-item__stage .num {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ink-900);
}

.page-news .log-item__when {
  color: var(--gray-500);
  white-space: nowrap;
}

.page-news .log-item__name {
  grid-area: name;
  font-size: clamp(16px, 1.7vw, 18px);
  font-weight: 700;
  line-height: 1.52;
  color: var(--ink-900);
}

.page-news .log-item__toggle {
  grid-area: toggle;
  position: relative;
  align-self: center;
  width: 22px;
  height: 22px;
}

.page-news .log-item__toggle::before,
.page-news .log-item__toggle::after {
  content: "";
  position: absolute;
  background: var(--gray-500);
  transition: transform .32s var(--ease), background .32s var(--ease);
}

.page-news .log-item__toggle::before {
  left: 4px;
  right: 4px;
  top: 10px;
  height: 2px;
}

.page-news .log-item__toggle::after {
  top: 4px;
  bottom: 4px;
  left: 10px;
  width: 2px;
}

.page-news .log-item[open] .log-item__toggle::after {
  transform: scaleY(0);
}

.page-news .log-item[open] .log-item__toggle::before {
  background: var(--red);
}

.page-news .log-item[open] .log-item__name {
  color: var(--red-deep);
}

.page-news .log-item__body {
  padding: 0 4px 24px 0;
}

.page-news .log-item__cat {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 11.5px;
  letter-spacing: .08em;
}

.page-news .log-item__text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--news-body);
}

.page-news .log-item__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-news .log-item__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--gray-500);
}

.page-news .log-item__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 8px;
  height: 2px;
  background: var(--blue);
}

/* ---------- 回溯说明 ---------- */
.page-news .news-notes {
  background: var(--frost);
  position: relative;
  overflow: hidden;
}

.page-news .news-notes::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--red) 0%, var(--red) 42%, var(--blue) 42%, var(--blue) 68%, var(--gold) 68%, var(--gold) 100%);
}

.page-news .news-notes__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4.4vw, 60px);
}

.page-news .news-notes__text {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--news-body);
}

.page-news .news-notes__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-news .news-notes__facts {
  margin: 0;
  display: grid;
  gap: 1px;
  background: var(--gray-200);
  border: 1px solid var(--gray-200);
}

.page-news .news-fact {
  background: var(--snow);
  padding: 18px 20px;
}

.page-news .news-fact__k {
  font-size: 12px;
  letter-spacing: .14em;
  font-weight: 700;
  color: var(--red);
  margin-bottom: 8px;
}

.page-news .news-fact__v {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--news-body);
}

.page-news .news-notes__strip {
  margin-top: clamp(32px, 4.5vw, 60px);
  padding-top: clamp(20px, 2.6vw, 28px);
  border-top: 1px solid var(--gray-200);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px 28px;
}

.page-news .news-notes__strip p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--gray-500);
  max-width: 42em;
}

.page-news .news-notes__striplinks {
  display: flex;
  gap: 20px;
}

.page-news .news-notes__striplinks a {
  position: relative;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 2px solid var(--blue);
  padding-bottom: 2px;
}

.page-news .news-notes__striplinks a:hover,
.page-news .news-notes__striplinks a:focus-visible {
  color: var(--blue);
}

/* ---------- 中等宽度 ---------- */
@media (min-width: 700px) {
  .page-news .news-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-panel__head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 280px);
    align-items: start;
  }

  .page-news .log-item__head {
    grid-template-columns: 142px minmax(0, 1fr) 22px;
    grid-template-areas: "stage name toggle";
    align-items: baseline;
    gap: 22px;
    padding: 20px 4px 20px 0;
  }

  .page-news .log-item__stage {
    flex-direction: column;
    align-items: flex-start;
    gap: 3px;
  }

  .page-news .log-item__stage::before {
    width: 22px;
    margin-bottom: 3px;
  }

  .page-news .log-item__body {
    padding-left: 164px;
    max-width: calc(38em + 164px);
  }

  .page-news .news-notes__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-news .news-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
  }

  .page-news .news-log__layout {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--shell-h-compact) + 26px);
    align-self: start;
  }

  .page-news .news-tablist {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    gap: 10px;
  }

  .page-news .news-tab {
    width: 100%;
    min-width: 0;
  }

  .page-news .news-notes__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-news .log-item__head {
    grid-template-columns: 168px minmax(0, 1fr) 22px;
    gap: 28px;
  }

  .page-news .log-item__body {
    padding-left: 196px;
    max-width: calc(38em + 196px);
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .news-tab,
  .page-news .log-item__head,
  .page-news .log-item__toggle::before,
  .page-news .log-item__toggle::after {
    transition: none;
  }

  .page-news .log-item__head:hover {
    transform: none;
  }
}
<<<END>>>